1203116542 has 8 divisors (see below), whose sum is σ = 1834259832. Its totient is φ = 591696600.

The previous prime is 1203116527. The next prime is 1203116549. The reversal of 1203116542 is 2456113021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203116549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4930684 + ... + 4930927.

It is an arithmetic number, because the mean of its divisors is an integer number (229282479).

Almost surely, 2^1203116542 is an apocalyptic number.

1203116542 is a deficient number, since it is larger than the sum of its proper divisors (631143290).

1203116542 is an equidigital number, since it uses as much as digits as its factorization.

1203116542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9861674.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1203116542 is about 34685.9703914998. The cubic root of 1203116542 is about 1063.5777239407.

Adding to 1203116542 its reverse (2456113021), we get a palindrome (3659229563).

The spelling of 1203116542 in words is "one billion, two hundred three million, one hundred sixteen thousand, five hundred forty-two".